.tree {
    min-height: 200px;
    margin-bottom: 20px;
    border: 2px dashed #d2d6de;
}

.tree-bg-dragin {
    background:url(../../imgs/schema/drag-in.png) no-repeat center ;
    background-size:150px 150px;
}

.tree-bg-dragout {
    background:url(../../imgs/schema/drag-out.png) no-repeat center;
    background-size:150px 150px;
}

.tree-bg-dragin ul {
    min-height: 10px;
}

.tree i {
    cursor: pointer;
}

.tree li {
    list-style-type: none;
    margin: 0;
    padding: 2px 5px 2px 5px;
    position: relative;
    white-space:nowrap;
}

.tree li::before, .tree li::after {
    content: '';
    left: -20px;
    position: absolute;
    right: auto
}

.tree li::before {
    border-left: 1px dotted black;
    bottom: 50px;
    height: 100%;
    top: 0;
    width: 1px
}

.tree li::after {
    border-top: 1px dotted black;
    height: 20px;
    top: 13px;
    width: 18px
}

.tree li.parent_li > span {
    cursor: pointer
}

.tree > ul > li::before, .tree > ul > li::after {
    border: 0
}

.tree li:last-child::before {
    height: 14px
}

/*.tree li.parent_li > span:hover, .tree li.parent_li > span:hover + ul li span {
    background: #eee;
    border: 1px solid #94a0b4;
    color: #000
}*/

.tree span > i {
    margin-right: 3px;
}

.tree li > span:hover {
    cursor:move;
}

.tree img {
    padding-right: 4px;
}